feat(sql): Improve type decoding. Adds support for time and dates (#266)

* feat(sql): Improve type decoding. Adds support for time and dates * remove default feat * typo
2026-06-06 13:53:54 +02:00 · 2023-03-05 12:25:15 +01:00
parent 265acf7454
commit 1d52416f70
8 changed files with 271 additions and 67 deletions
@@ -0,0 +1,90 @@
+use serde_json::Value as JsonValue;
+use sqlx::{mysql::MySqlValueRef, TypeInfo, Value, ValueRef};
+use time::{Date, OffsetDateTime, PrimitiveDateTime, Time};
+
+use crate::Error;
+
+pub(crate) fn to_json(v: MySqlValueRef) -> Result<JsonValue, Error> {
+    if v.is_null() {
+        return Ok(JsonValue::Null);
+    }
+
+    let res = match v.type_info().name() {
+        "CHAR" | "VARCHAR" | "TINYTEXT" | "TEXT" | "MEDIUMTEXT" | "LONGTEXT" | "ENUM" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode() {
+                JsonValue::String(v)
+            } else {
+                JsonValue::Null
+            }
+        }
+        "FLOAT" | "DOUBLE" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode::<f64>() {
+                JsonValue::from(v)
+            } else {
+                JsonValue::Null
+            }
+        }
+        "TINYINT" | "SMALLINT" | "INT" | "MEDIUMINT" | "BIGINT" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode::<i64>() {
+                JsonValue::Number(v.into())
+            } else {
+                JsonValue::Null
+            }
+        }
+        "TINYINT UNSIGNED" | "SMALLINT UNSIGNED" | "INT UNSIGNED" | "MEDIUMINT UNSIGNED"
+        | "BIGINT UNSIGNED" | "YEAR" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode::<u64>() {
+                JsonValue::Number(v.into())
+            } else {
+                JsonValue::Null
+            }
+        }
+        "BOOLEAN" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode() {
+                JsonValue::Bool(v)
+            } else {
+                JsonValue::Null
+            }
+        }
+        "DATE" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode::<Date>() {
+                JsonValue::String(v.to_string())
+            } else {
+                JsonValue::Null
+            }
+        }
+        "TIME" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode::<Time>() {
+                JsonValue::String(v.to_string())
+            } else {
+                JsonValue::Null
+            }
+        }
+        "DATETIME" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode::<PrimitiveDateTime>() {
+                JsonValue::String(v.to_string())
+            } else {
+                JsonValue::Null
+            }
+        }
+        "TIMESTAMP" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode::<OffsetDateTime>() {
+                JsonValue::String(v.to_string())
+            } else {
+                JsonValue::Null
+            }
+        }
+        "JSON" => ValueRef::to_owned(&v).try_decode().unwrap_or_default(),
+        "TINIYBLOB" | "MEDIUMBLOB" | "BLOB" | "LONGBLOB" => {
+            if let Ok(v) = ValueRef::to_owned(&v).try_decode::<Vec<u8>>() {
+                JsonValue::Array(v.into_iter().map(|n| JsonValue::Number(n.into())).collect())
+            } else {
+                JsonValue::Null
+            }
+        }
+        "NULL" => JsonValue::Null,
+        _ => return Err(Error::UnsupportedDatatype(v.type_info().name().to_string())),
+    };
+
+    Ok(res)
+}